Cd4
abbr. CD4细胞；CD4抗艾滋病药（Cluster of Differentiation 4）
🗣️ 情景例句
One day, you'll have your own family,
总有一天，你会有你自己的家，
Don't forget to come back.
不要忘记回来。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。